Check the listing for details. DIY SIMPLE BASIC QuikLock REED SWITCH MOTOR KIT #12 BIRTHDAY PARTY KIDS SCIENCE. Condition: New. Listed at 24.95 USD. DO IT YOURSELF !!!SIMPLE MOTOR KIT REED SWITCH MOTOR - KIT # 12 THIS KIT IS ALMOST THE SAME AS KIT #11 BUT INCLUDES READY TO USE ELECTROMAGNET. IT CUTS ASSEMBLY TIME AND THIS SIMPLEST MOTOR COULD BE BUILT IN LESS THAN 20 MINUTES! THIS MOTOR USES STRONG NEODYMIUM MAGNETS SECURED BY SAFETY RING. NO MESSY GLUE IS NEEDED FOR ASSEMBLY AND NO TOOLS REQUIRED. IT IS REALLY FAST – OVER 2500 RPM ON JUST ONE 1.5 VOLTS BATTERY. BASED ON AWARD WINNING PROJECTGREAT FOR SCIENCE FAIR PROJECT, HOMESCHOOLING, SCOUTS MEETING, BIRTHDAY PARTY, ETC. - YOU NAME IT!OUR MOTOR KITS PROVIDE LOTS OF FUN AND GREAT LEARNING EXPERIENCE PERFECT EDUCATIONAL TOOL TO LEARN BASICS OF ELECTRICITY, MAGNETISM AND ELECTRIC MOTORS. WE HAVE IT ALL! DETAILED ASSEMBLY INSTRUCTIONS PROVIDED ONLINE FOR EVERY MOTOR KIT.PLEASE CHECK OUR OTHER MOTOR KITS Disclaimer: This is not a Lego® product even if it contains Lego® bricks and plates. We reserve the right to use other materials in the future. All warranties provided by Simple Motors. LEGO® is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this product.